Home / 37,170.70-51,283.08-21,243.88

Finding the Fourth Proportional to 37,170.70, 51,283.08 and 21,243.88

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Solution

The fourth proportional to 37,170.70, 51,283.08 and 21,243.88 is: 29,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.70 : 51,283.08 = 21,243.88 : x
  2. Step 2: Convert to fraction form
    37,170.70/51,283.08 = 21,243.88/x
  3. Step 3: Cross multiply
    37,170.70x = 51,283.08 × 21,243.88
  4. Step 4: Simplify right side
    37,170.70x = 1,089,451,597.55
  5. Step 5: Solve for x
    x = 1,089,451,597.55/37,170.70
  6. Step 6: Final answer
    x = 29,309.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.